| Name | Fremontodendron californicum subsp. crassifolium (Eastwood) J. H. Thomas |
| Authorship | (Eastwood) J. H. Thomas |
| Rank | Subspecies |
| Placed in | Fremontodendron californicum (Torrey) Coville |
| GUID | urn:lsid:ipni.org:names:105963-2 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Fremontodendron californicum subsp. crassifolium (Eastwood) J. H. Thomas |
| Identification made in | [no date] (1) |